Merfolk of the Pearl Trident [Alpha Edition] BT10-033 when a monster effect is

when a monster effect is activated on your opponent's side of the field: You can detach 1 Xyz Material from this card

This monster cannot declare an attack or be Tributed

Set: Ancient Prophecy Card type: Effect Monster Rarity: Ultimate Rare Attack: 1900 Defense: 1300 During each of your End Phases

while this card is in your GY: You can Special Summon this card

It cannot attack

Merfolk of the Pearl Trident [Alpha Edition] BT10-033 when a monster effect isSet: Alpha Edition Type: Creature Merfolk Rarity: Common Cost: {U} Most human scholars believe that Merfolk are the survivors of sunken Atlantis, humans adapted to the water. Merfolk, however, believe that humans sprang forth from Merfolk who adapted themselves in order to explore their last frontier.